specific gravity of urine

例句：

1. 1.The doctor measured the specific gravity of the urine to determine if the patient had a urinary tract infection.
   医生测量了尿液的特定密度，以确定患者是否患有泌尿道感染。
2. 2. The baby's urine has a specific gravity of 1.015, whichis slightly higher than normal.
   婴儿的尿液的特定密度为1.015，略高于正常值。
3. 3. The test results showed that the patient's urine had a specific gravity of 1.010, which is withinthe normal range.
   测试结果显示，患者的尿液的特定密度为1.010，在正常范围内。